EORelationshipPath.java

/*
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 * The ObjectStyle Group Software License, Version 1.0
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 * Copyright (c) 2006 The ObjectStyle Group and individual authors of the
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package org.objectstyle.wolips.eomodeler.core.model;

import java.util.Iterator;
import java.util.Set;

public class EORelationshipPath extends AbstractEOAttributePath {
	public EORelationshipPath(EORelationshipPath _parentRelationshipPath, EORelationship _childRelationship) {
		super(_parentRelationshipPath, _childRelationship);
	}

	public EORelationship getChildRelationship() {
		return (EORelationship) getChildIEOAttribute();
	}
	
	@Override
	public String getChildClassName() {
		String className = null;
		EORelationship relationship = getChildRelationship();
		if (relationship != null) {
			EOEntity destination = relationship.getActualDestination();
			if (destination != null) {
				className = destination.getClassNameWithDefault();
			}
		}
		return className;
	}

	public AbstractEOAttributePath[] getChildren() {
		AbstractEOAttributePath[] children;
		EOEntity entity = getChildRelationship().getDestination();
		if (entity != null) {
			Set relationshipsList = entity.getRelationships();
			Set attributesList = entity.getAttributes();
			children = new AbstractEOAttributePath[relationshipsList.size() + attributesList.size()];
			int childNum = 0;
			Iterator relationshipsIter = relationshipsList.iterator();
			for (; relationshipsIter.hasNext(); childNum++) {
				EORelationship childRelationship = (EORelationship) relationshipsIter.next();
				children[childNum] = new EORelationshipPath(this, childRelationship);
			}
			Iterator attributesIter = attributesList.iterator();
			for (; attributesIter.hasNext(); childNum++) {
				EOAttribute childAttribute = (EOAttribute) attributesIter.next();
				children[childNum] = new EOAttributePath(this, childAttribute);
			}
		} else {
			children = new AbstractEOAttributePath[0];
		}
		return children;
	}
	
	public String toString() {
		return "[EORelationshipPath: " + toKeyPath() + "]";
	}
}